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. 2018 Jun;98(6):1819-1825.
doi: 10.4269/ajtmh.16-0719. Epub 2018 Apr 19.

Outbreak of Chikungunya in the French Caribbean Islands of Martinique and Guadeloupe: Findings from a Hospital-Based Surveillance System (2013-2015)

Frédérique Dorléans  1 , Bruno Hoen  2   3   4 , Fatiha Najioullah  5 , Cécile Herrmann-Storck  6 , Kinda Maria Schepers  3 , Sylvie Abel  7 , Isabelle Lamaury  3 , Laurence Fagour  5 , Raymond Césaire  5 , Stéphanie Guyomard  8 , Ruth Troudard  7 , Yvette Adélaïde  9 , Marie-José Romagne  9 , Magguy Davidas  9 , Séverine Rochais  9 , Sylvie Boa  10 , Frédérique de Saint-Alary  10 , Annabel Preira  10 , Patrick Saint-Martin, Amandine Vaidie  1 , Mathilde Melin  1 , Elise Daudens-Vaysse  1 , Jacques Rosine  1 , Alain Blateau  1 , Luisiane Carvalho  1 , Alexandra Septfons  11 , Marie-Claire Paty  11 , Ghislain Leduc  1 , Sylvie Cassadou  1 , Martine Ledrans  1 , André Cabié  12   13
Affiliations

Outbreak of Chikungunya in the French Caribbean Islands of Martinique and Guadeloupe: Findings from a Hospital-Based Surveillance System (2013-2015)

Frédérique Dorléans et al. Am J Trop Med Hyg. 2018 Jun.

Abstract

Chikungunya virus (CHIKV) emerged in the Caribbean island of Saint-Martin in December 2013. We implemented a hospital-based surveillance system to detect and describe CHIKV cases including severe forms of the infection and deaths in the islands of Martinique and Guadeloupe. A case was defined as a patient with a CHIKV laboratory confirmation cared for in a public hospital for chikungunya for at least 24 hours, and a severe CHIKV case was defined as a CHIKV case presenting one or more organ failures. Sociodemographic, clinical, and laboratory data were collected and cases classified into severe or nonsevere based on medical records. From December 2013 to January 2015, a total of 1,836 hospitalized cases were identified. Rate of hospital admissions for CHIKV infection was 60 per 10,000 suspected clinical CHIKV cases and severity accounted for 12 per 10,000. A total of 74 deaths related to CHIKV infection occurred. Infants and elderly people were more frequently hospitalized compared with others and severity was more frequently reported in elderly subjects and subjects with underlying health condition. Fifteen neonatal infections consecutive to mother-to-child transmission were diagnosed, seven of which were severe. The most vulnerable groups of the population, such as the elderly, infants, individuals with comorbidities, and pregnant women, should remain the main targets of public health priorities.

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Figures

Figure 1.
Figure 1.
Diagram of classification of clinical forms of chikungunya virus (CHIKV) infected hospitalized patients, Martinique and Guadeloupe - December 2013 to January 2015. This figure appears in color at www.ajtmh.org.
Figure 2.
Figure 2.
Weekly number of hospitalized chikungunya virus (CHIKV) cases (left axis) and weekly estimated number of clinical CHIKV cases consulting general practitioners (right axis) in the population during the CHIKV epidemics in Martinique and Guadeloupe - December 2013 to January 2015. This figure appears in color at www.ajtmh.org.
See this image and copyright information in PMC

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